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fast mode timing changed (again...)

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@271 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-10-06 16:06:15 +00:00
parent c77ca79e89
commit 9a8ffeeeea
4 changed files with 29 additions and 19 deletions
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6
Pico/MemoryCmn.c
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@ -72,17 +72,17 @@ static
void z80WriteBusReq(u32 d)
{
d&=1; d^=1;
if (Pico.m.scanline != -1)
//if (Pico.m.scanline != -1)
{
if(!d) {
// this is for a nasty situation where Z80 was enabled and disabled in the same 68k timeslice (Golden Axe III)
if (Pico.m.z80Run) {
int lineCycles;
z80stopCycle = SekCyclesDone();
if (Pico.m.z80Run&2)
if ((Pico.m.z80Run&2) && Pico.m.scanline != -1)
lineCycles=(488-SekCyclesLeft)&0x1ff;
else lineCycles=z80stopCycle-z80startCycle; // z80 was started at current line
if (lineCycles > 0 && lineCycles <= 488) {
if (lineCycles > 0) { // && lineCycles <= 488) {
//dprintf("zrun: %i/%i cycles", lineCycles, (lineCycles>>1)-(lineCycles>>5));
lineCycles=(lineCycles>>1)-(lineCycles>>5);
z80_run(lineCycles);